date('now') is the real current date. Not the current date inside the simulation

models/Building.gaml

@@ -172,8 +172,9 @@ species Building {
 					stockBuilding.quantity <- stockBuilding.quantity + entering_stock.stock.quantity;
 					if(entering_stock.stepOrderMade >= starting_date){
 						// Update lists containing the time to deliver some goods in order to measure the efficiency of the actors
-						(entering_stock.stock.lp as LogisticsServiceProvider).timeToDeliver <- (entering_stock.stock.lp as LogisticsServiceProvider).timeToDeliver + (date("now") - entering_stock.stepOrderMade);//((int(time/3600)) - entering_stock.stepOrderMade);
-						localTimeToBeDeliveredLastDeliveries <- localTimeToBeDeliveredLastDeliveries + ((date("now") - entering_stock.stepOrderMade))/3600.0;//((int(time/3600)) - entering_stock.stepOrderMade);
+						float t <- ((current_date - entering_stock.stepOrderMade))/3600.0;
+						(entering_stock.stock.lp as LogisticsServiceProvider).timeToDeliver <- (entering_stock.stock.lp as LogisticsServiceProvider).timeToDeliver + t;//((int(time/3600)) - entering_stock.stepOrderMade);
+						localTimeToBeDeliveredLastDeliveries <- localTimeToBeDeliveredLastDeliveries + t;//((int(time/3600)) - entering_stock.stepOrderMade);
 					}
 				}
 				j <- j + 1;

models/SupplyChain.gaml

@@ -71,7 +71,7 @@ species SupplyChainElement schedules: [] {
 			self.position <- myself.position;
 			self.reference <- stock;
 			self.logisticsServiceProvider <- myself.supplyChain.logisticsServiceProvider;
-			self.stepOrderMade <- date("now");//int(time/3600);
+			self.stepOrderMade <- current_date;//int(time/3600);
 			self.strategy <- myself.supplyChain.logisticsServiceProvider.costsPathStrategy;
 		}
 		return o[0];